CS109
Course Resources
Syllabus
Schedule
Honor Code
Office Hours
Course Reader
Python Review
Latex Cheat Sheet
Lecture Videos
InLecture
AIWG Student Guide
CS109ACE Signup
OAE Accommodation Form
Problem Sets
1. Core Probability
2. Discrete Random Variables
Lecture
1. Welcome
2. Conditioning and Bayes
3. Independence
4. Counting
5. Binomial
6. Moments
7. Poisson Random Variable
8. Continuous Random Variables
Tutorial
Tutorial 1
Tutorial 2
Schedule
Lecture 4: Counting and Combinatorics
June 26, 2026
Hewlett 200, 10:30am
Lecture Materials
Slides
LLM Questions
Lecture Questions
Lecture Solutions
Lecture Code
Reading List
Counting
Combinatorics
Learning Goals
Practice with counting!